package algotithm.interview.神策数据test.test2;

import java.util.Scanner;

/**
 * @author zhouyanxiang
 * @Date 2021-03-2021/3/1-22:18
 */
public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        if (test(n)) {
            System.out.println("True");
        } else {
            System.out.println("False");
        }
    }

    public static boolean test(int n) {
        if ((n & (n-1)) == 0) {
            return true;
        } else {
            return false;
        }
    }

}
